Questions on Algebra: Inequalities, trichotomy answered by real tutors!

Tutors Answer Your Questions about Inequalities (FREE)

Question 711712: m � 7 < 6

and
n � 8 > 5

Click here to see answer by jim_thompson5910(35256)

Question 711743: If 15% of the 250 million adult Americans live in poverty, how many adult Americans live in poverty?
Click here to see answer by checkley79(3341)

Question 711839: Please help me with this problem: Jumping rope can burn 600 calories per hour. Write and solve an inequality to find the number of hours jumping rope that it would take for you to burn at least 450 calories.
I do not understand this problem for some reason and nobody is here to help me and this is due tomorrow. Please help me.
Click here to see answer by solver91311(24713)

Question 712022: Please help me with this equation.
Solve for b: ab
Thank you very much!
Click here to see answer by MathLover1(20849)

Question 712232: -5 -9
Click here to see answer by jim_thompson5910(35256)

Question 712154: write the solution in interval notation and graph it
2(x+5)+1>5+3x
Click here to see answer by jim_thompson5910(35256)

Question 712332: HELLO !
I'M SO SORRY BUT I REALLY NEED SOME HELP CAN YOU HELP ME?
I TRIED IT BUT I CAN'T UNDERSTAND IT
THIS IS THE QUESTION: |2-q|-1<13
||- ABSOLUTE VALUE
HOPE THAT YOU CAN HELP ME
I'LL APPRECIATE IT
THANK YOU SO MUCH :)
Click here to see answer by stanbon(75887)

Question 712462: 3(x+4)-5(x-6)<6

Click here to see answer by Ehsan(9)

Question 712460: 4(3x+1)<2(x-3)

Click here to see answer by Ehsan(9)

Question 712500: h+7<-15
how to solve inequalities?
Click here to see answer by algebrahouse.com(1659)

Question 712528: x^2+8x+16>=0 How do I work this out. The back of my book says that the answer is all real numbers, is that right? If it is how do I show work for that?
Click here to see answer by josgarithmetic(39617)

Question 712697: -2x+4<6
Click here to see answer by stanbon(75887)

Question 713269: solve the following inequality, graph the solution and state the solution in interval notation. -3<2x-1<=9
Click here to see answer by josgarithmetic(39617)

Question 713282: Hi,
my questoin is
veronica has earnedan 87, an 83, and an 89 on the three tests that she has already taken this quarter. write and solve an inequality representing the grade she needs to get on the fourth test in order to have an A for tests for the quarter
Click here to see answer by josgarithmetic(39617)

Question 713982: Please help me solve this equation: (2x + 6) + 10 = 26

Click here to see answer by rfer(16322)

Question 714115: Solve the compound inequality
�0.2≤ 0.7 � x ≤ 1.8

Click here to see answer by lynnlo(4176)

Question 714056: im confused with these. kindly answer it
2n-3 (n+3) is less than or equal to 14
thanks!
Click here to see answer by rfer(16322)

Question 714622: A new scooter costs $15 less than twice the cost of a skateboard. The scooter costs $78.00. Find the cost of the skate board.
Thank you!
Click here to see answer by anderson20t@gmail.com(1)

Question 714635: Express the set -4 x+18 < 2 x+12 using interval notation.
Click here to see answer by Gogonati(855)

Question 715180: Here is my question.
Slove the inequality. Graph the solution set and write the set in interval notation.
-3x+1>0
Click here to see answer by MathLover1(20849)

Question 715392: I am having trouble understanding how to solve systems of inequalities. Here is an example:
8x-7y+-3
6x-5y=-1
How do I solve each system (using any method)
Thanks,
Carol
Click here to see answer by checkley79(3341)

Question 715449: Identify which is a solution for the inequality (x+1)/(x-4)<_0
Click here to see answer by stanbon(75887)

Question 715718: What is 4x+13>-7+8x?

Click here to see answer by Edwin McCravy(20054)

Question 715656: I have no idea how to solve this problem.
It says graph x+y<-1
Click here to see answer by KMST(5328)

Question 715672: Sharon must average between 80 and 90 to receive a B in her Algebra class. If her grades on four equally weighted chapter exams are 78, 69, 92, and 75, and if the final exam counts twice as much as the chapter exams, what possible grade on the final exam will result in Sharon earning a grade of B in her Algebra class? Is it possible for her to make an A?
I'm not sure how to solve this problem. I have the Answer for it, but I would like to know how I would get to this answer.
Thank you!
Click here to see answer by ankor@dixie-net.com(22740)

Question 716131: 1-x/x+4 ≤ 2x+3/x+4
Click here to see answer by iamverybadinmath(9)

Question 716106: I don't really understand how to do this problem. Any help would be greatly appreciated!
Q=Given the pair of inequalities, y > x + 1 and y < 2/3x + 3, graph their solution set.
Click here to see answer by josgarithmetic(39617)

Question 716359: a spherical bearing is to have a circumference of 7.2 cm with an error of no more than 0.1 cm. Set up an absolute value inequality and then determine the acceptable range of values for the diameter of the bearing.
Click here to see answer by jim_thompson5910(35256)

Question 716556: 6x-2y<=12
Click here to see answer by lynnlo(4176)

Question 717527: x + 9 < 21

Click here to see answer by rfer(16322)

Question 717534: a salesperson has two job offers. Company A offers a weekly salary of $630 plus commission of 14% of sales.Company B offers a weekly salary of $1260 plus commission of 7% of sales. What is the amount of sales above which Company A's offer is the better of the two?
Click here to see answer by rfer(16322)

Question 717540: James and Tom left from the same place, both driving west on the same highway. James left 3:00 p.m. and Tom left at 6:00 p.m. By driving 45 mph faster, Tom passed James at 10:00pm. How fast did Tom drive?
Click here to see answer by jndarrell(58)

Question 717810: Hi

Thanks!
Click here to see answer by jsmallt9(3758)

Question 718133: Hello, i need help on this question please i have tried to solve but just can't. Thank you
y/2<-3
Click here to see answer by lenny460(1073)

Question 718282: Express the inequality as an interval and sketch it's graph.
1. X < -2
I don't understand wat the question is asking or the basic concept?
How to do this?
Click here to see answer by jsmallt9(3758)

Question 718396: 4x^3 + 5x^2 - 3x - 1 / 4x + 1
Click here to see answer by jsmallt9(3758)

Question 718391: 6x^4 + 5x^3 + x^2 - 3x +1 / 3x + 1
Click here to see answer by jsmallt9(3758)

Question 718384: What's the answer to this |3n-1|>1
Click here to see answer by jsmallt9(3758)

Question 718288: Solve and graph the solution: x+1 is greater than or equal to 7 and -6x is greater than 24
Click here to see answer by jsmallt9(3758)

Question 718640: my question is (x+2)(x-1)(x-3) is greater then and equal to 0.
kindly give me the answer.

Click here to see answer by lynnlo(4176)

Question 718898: theres a number line starting at -20 going to the right (positvie) the line never stops. which number(s) below belong to the solution set of the inequality? (check all that apply.)
a.-4
b.75
c.-20
d.-26
e.31
f.0
Click here to see answer by lynnlo(4176)

Question 718929: solve the inequality for -3(4-2v)-v<4
Click here to see answer by jim_thompson5910(35256)

Question 719177: Hi

Thanks!
Click here to see answer by lynnlo(4176)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205